January 12, 2015 AT 8:01 am

Homebrew Computer Club invite from 1975

The Homebrew Computer Club was an early computer hobbyist group in Silicon Valley which met from March 5, 1975 to December 1986, and was depicted in the movies Pirates of Silicon Valley (1999) and Jobs (2013). Several very high-profile hackers and computer entrepreneurs emerged from its ranks, including the founders of Apple Inc. The open exchange of ideas that went on at its biweekly meetings, and the club newsletter, launched the personal computer revolution. The Homebrew Computer Club has been called “the crucible for an entire industry.